Platysma
platysma
Pulls the corners of the lips downward and widens the mouth in expressions of sadness or fear; with the teeth clenched, it pulls the skin of the neck upward.

In the full entry
The full entry, with every field, sources, quiz and clinical correlations, is in the atlas.
- Origin
- Insertion
- Innervation
- Blood supply
Related clinical cases
- Paralysis of the platysma